31 (火)	09:12	02:23	20:59	15:29
	142cm	50cm	118cm	77cm
小潮 出 06:49 入 16:40 出 10:55 入 23:56

岩井袋（千葉）2030年12月31日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/31 00:00	73.5	↓-3.0
12/31 00:10	70.5	↓-3.0
12/31 00:20	67.7	↓-2.8
12/31 00:30	65.0	↓-2.7
12/31 00:40	62.5	↓-2.5
12/31 00:50	60.1	↓-2.4
12/31 01:00	58.0	↓-2.1
12/31 01:10	56.0	↓-2.0
12/31 01:20	54.3	↓-1.7
12/31 01:30	52.8	↓-1.5
12/31 01:40	51.5	↓-1.3
12/31 01:50	50.5	↓-1.0
12/31 02:00	49.8	↓-0.7
12/31 02:10	49.3	↓-0.5
12/31 02:20	49.1	↓-0.2	干潮
12/31 02:30	49.2	↑0.1
12/31 02:40	49.5	↑0.3
12/31 02:50	50.1	↑0.6
12/31 03:00	51.0	↑0.9
12/31 03:10	52.2	↑1.2
12/31 03:20	53.6	↑1.4
12/31 03:30	55.3	↑1.7
12/31 03:40	57.2	↑1.9
12/31 03:50	59.3	↑2.1
12/31 04:00	61.7	↑2.4
12/31 04:10	64.2	↑2.5
12/31 04:20	67.0	↑2.8
12/31 04:30	69.9	↑2.9
12/31 04:40	73.0	↑3.1
12/31 04:50	76.2	↑3.2
12/31 05:00	79.5	↑3.3
12/31 05:10	82.9	↑3.4
12/31 05:20	86.4	↑3.5
12/31 05:30	90.0	↑3.6	最大潮位差
12/31 05:40	93.5	↑3.5
12/31 05:50	97.1	↑3.6	最大潮位差
12/31 06:00	100.7	↑3.6	最大潮位差
12/31 06:10	104.2	↑3.5
12/31 06:20	107.7	↑3.5
12/31 06:30	111.1	↑3.4
12/31 06:40	114.4	↑3.3
12/31 06:50	117.6	↑3.2
12/31 07:00	120.6	↑3.0
12/31 07:10	123.5	↑2.9
12/31 07:20	126.2	↑2.7
12/31 07:30	128.8	↑2.6
12/31 07:40	131.1	↑2.3
12/31 07:50	133.3	↑2.2
12/31 08:00	135.2	↑1.9
12/31 08:10	136.8	↑1.6
12/31 08:20	138.3	↑1.5
12/31 08:30	139.4	↑1.1
12/31 08:40	140.4	↑1.0
12/31 08:50	141.0	↑0.6
12/31 09:00	141.4	↑0.4
12/31 09:10	141.6	↑0.2	満潮
12/31 09:20	141.5	↓-0.1
12/31 09:30	141.2	↓-0.3
12/31 09:40	140.6	↓-0.6
12/31 09:50	139.7	↓-0.9
12/31 10:00	138.7	↓-1.0
12/31 10:10	137.4	↓-1.3
12/31 10:20	135.9	↓-1.5
12/31 10:30	134.2	↓-1.7
12/31 10:40	132.3	↓-1.9
12/31 10:50	130.3	↓-2.0
12/31 11:00	128.1	↓-2.2
12/31 11:10	125.8	↓-2.3
12/31 11:20	123.4	↓-2.4
12/31 11:30	120.8	↓-2.6
12/31 11:40	118.2	↓-2.6
12/31 11:50	115.6	↓-2.6
12/31 12:00	112.9	↓-2.7
12/31 12:10	110.1	↓-2.8
12/31 12:20	107.4	↓-2.7
12/31 12:30	104.7	↓-2.7
12/31 12:40	102.0	↓-2.7
12/31 12:50	99.4	↓-2.6
12/31 13:00	96.8	↓-2.6
12/31 13:10	94.4	↓-2.4
12/31 13:20	92.0	↓-2.4
12/31 13:30	89.8	↓-2.2
12/31 13:40	87.7	↓-2.1
12/31 13:50	85.7	↓-2.0
12/31 14:00	83.9	↓-1.8
12/31 14:10	82.3	↓-1.6
12/31 14:20	80.8	↓-1.5
12/31 14:30	79.6	↓-1.2
12/31 14:40	78.5	↓-1.1
12/31 14:50	77.7	↓-0.8
12/31 15:00	77.0	↓-0.7
12/31 15:10	76.5	↓-0.5
12/31 15:20	76.3	↓-0.2	干潮
12/31 15:30	76.2	↓-0.1
12/31 15:40	76.4	↑0.2
12/31 15:50	76.7	↑0.3
12/31 16:00	77.3	↑0.6
12/31 16:10	78.0	↑0.7
12/31 16:20	78.9	↑0.9
12/31 16:30	79.9	↑1.0
12/31 16:40	81.1	↑1.2
12/31 16:50	82.5	↑1.4
12/31 17:00	83.9	↑1.4
12/31 17:10	85.5	↑1.6
12/31 17:20	87.2	↑1.7
12/31 17:30	89.0	↑1.8
12/31 17:40	90.8	↑1.8
12/31 17:50	92.7	↑1.9
12/31 18:00	94.6	↑1.9
12/31 18:10	96.5	↑1.9
12/31 18:20	98.5	↑2.0
12/31 18:30	100.4	↑1.9
12/31 18:40	102.3	↑1.9
12/31 18:50	104.1	↑1.8
12/31 19:00	105.9	↑1.8
12/31 19:10	107.6	↑1.7
12/31 19:20	109.2	↑1.6
12/31 19:30	110.7	↑1.5
12/31 19:40	112.0	↑1.3
12/31 19:50	113.2	↑1.2
12/31 20:00	114.3	↑1.1
12/31 20:10	115.2	↑0.9
12/31 20:20	116.0	↑0.8
12/31 20:30	116.6	↑0.6
12/31 20:40	117.0	↑0.4
12/31 20:50	117.2	↑0.2	満潮
12/31 21:00	117.3	↑0.1
12/31 21:10	117.2	↓-0.1
12/31 21:20	116.8	↓-0.4
12/31 21:30	116.3	↓-0.5
12/31 21:40	115.6	↓-0.7
12/31 21:50	114.8	↓-0.8
12/31 22:00	113.7	↓-1.1
12/31 22:10	112.5	↓-1.2
12/31 22:20	111.1	↓-1.4
12/31 22:30	109.6	↓-1.5
12/31 22:40	107.9	↓-1.7
12/31 22:50	106.1	↓-1.8
12/31 23:00	104.2	↓-1.9
12/31 23:10	102.2	↓-2.0
12/31 23:20	100.1	↓-2.1
12/31 23:30	98.0	↓-2.1
12/31 23:40	95.8	↓-2.2
12/31 23:50	93.5	↓-2.3